#397DB6#397DB6

#397DB6 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.2% C 0.112 H 246.7°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#397DB6
RGB	rgb(57, 125, 182)
HSL	hsl(207, 52%, 47%)
HSV	hsv(207, 69%, 71%)
CMYK	cmyk(68.7%, 31.3%, 0%, 28.6%)
CIE-LAB	lab(50.58, -2.77, -36.32)
CIE-LCH	lch(50.58, 36.43, 265.65°)
OKLab	oklab(57.21% -0.0442 -0.1028)
OKLCH	oklch(57.21% 0.112 246.7)
XYZ	xyz(17.4613, 18.9126, 46.9772)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DB6 #B67239

analogous

#39B6B1 #397DB6 #393FB6

triadic

#397DB6 #B6397D #7DB639

tetradic

#397DB6 #B139B6 #B67239 #3FB639

square

#397DB6 #B139B6 #B67239 #3FB639

split-complementary

#397DB6 #B6393F #B6B139

monochromatic

#1C3D59 #2A5D87 #397DB6 #5F9BCD #8EB8DC

Accessibility & contrast

On white

4.39

#397DB6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#397DB6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DB6

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DB6	#FFFFFF	#000000	##000000
##397DB6	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FB8

Deuteranopia (green-blind)

#5273B5

Tritanopia (blue-blind)

#008B91

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397db6;
/* rgb */ color: rgb(57, 125, 182);
/* oklch */ color: oklch(57.2% 0.112 246.7);

Tailwind

colors: {
  custom: {
    50: '#7da2cc',
    500: '#397db6',
    950: '#000000',
  },
}

SCSS

$custom: #397db6;
$custom-light: #7da2cc;
$custom-dark: #000000;

JSON

{
  "hex": "#397db6",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 182
  },
  "hsl": {
    "h": 207.36,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.57211,
    "c": 0.11187,
    "h": 246.7
  },
  "luminance": 0.18914
}

Semantic roles & 50–950 ramp

primary

#397DB6

secondary

#C6A385

accent

#8E4CDC

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F13

muted

#7C7E82

Preview Lab

Preview with #397DB6

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →